﻿#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
int main(void)
{
	//printf("整数：%d\n", 5);
	//printf("浮点数：%f\n", 3.14);
	//printf("字符：%c\n", 'a');
	//printf("\n");

	//printf("hello world\n");
	//printf("hello \nworld");
	//printf("\n");
	//printf("\n");

	//printf("%c like C language\n", 'I');
	//printf("This is %d bananas\n", 3);
	//printf("\n");

	//printf("%s like C language\n", "zhangsan");
	//printf("%s like C language\n", "李四");
	//printf("\n");

	//printf("%s is a student in Class %d.\n", "zhangsan",3);//张三是3班的学生
	//printf("\n");

	//printf("%5d\n", 555);//占位符表示宽度最少为5位
	//printf("\n");

	//printf("%-5d", 555);//因在后面添加空格，不方便观察，顾除去\n，方便观察效果
	//printf("3\n");
	//printf("\n");

	//printf("%12f\n", 123.45);
	//printf("\n");

	//printf("Number is %.2f\n", 0.5);
	//printf("Number is %f\n", 0.5);
	//printf("\n");


	//printf("%6.2f\n", 0.5);
	//printf("\n");

	//printf("%*.*f\n", 6, 2, 0.5);
	//printf("\n");

	//printf("%.5s\n", "hello world");
	//printf("\n");


	/*int x = 0;
	printf("请输入成绩\n");
	scanf("%d", &x);
	printf("成绩是：%d", x);*/
	//int i = 0;
	//int j = 0;
	//float x = 0.0;
	//float y = 0.0;
	//scanf("%d%d%f%f", &i, &j, &x, &y);
	//printf("%d %d %f %f", i,j,x,y);

	//int x = 0;
	//float y = 0.0;
	//// 输⼊ " -13.45e12# 0"
	//scanf("%d", &x);
	//scanf("%f", &y);


	//printf("%d,\n%f\n",x,y);

	//int a = 0;
	//int b = 0;
	//float f = 0.0f;
	//int r = scanf("%d %d %f", &a, &b, &f);
	//printf("a=%d b=%d f=%f\n", a, b, f);
	//printf("r = %d\n", r);

	int year = 0;
	int month = 0;
	int day = 0;
	scanf("%d%*c%d%*c%d", &year, &month, &day);
	printf("%d-%d-%d\n", year,month, day);
	return 0;
}